:root{
  --accent: #2563eb; --accent-dark: #1e50c8;
  --bg: #f6f8fb; --card: #fff; --line: #e4e9f2;
  --text: #1f2937; --muted: #6b7280; --green: #16a34a; --red: #ef4444;
}#compressTool .hidden{ display: none !important; }#compressTool img{ -webkit-user-drag: none; user-drag: none; }#compressTool .wm{
  position: absolute;
  z-index: 7;
  pointer-events: none;
  white-space: nowrap;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.5);
  padding: 2px 10px;
  border-radius: 8px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
  opacity: .82;
}#compressTool .login-mask{
  position: fixed; inset: 0; z-index: 120;
  background: rgba(15, 20, 40, .48);
  display: flex; align-items: center; justify-content: center; padding: 18px;
}#compressTool .login-box{
  width: min(92vw, 380px); background: #fff; border-radius: 18px;
  padding: 22px 20px 18px; text-align: center;
  box-shadow: 0 20px 60px rgba(15, 20, 40, .28);
}#compressTool .login-title{ font-size: 17px; font-weight: 800; margin: 0 0 8px; }#compressTool .login-sub{ color: var(--muted); font-size: 13px; line-height: 1.6; margin: 0 0 18px; }#compressTool .login-actions{ display: flex; gap: 10px; justify-content: center; }#compressTool .topbar{
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px; background: #fff; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}#compressTool .brand{ font-size: 18px; font-weight: 700; display: flex; align-items: center; gap: 9px; }#compressTool .brand .logo{
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  display: grid; place-items: center; color: #fff; font-size: 16px;
}#compressTool .badge{
  font-size: 12px; color: var(--green); background: #ecfdf5;
  border: 1px solid #bbf7d0; padding: 5px 11px; border-radius: 999px; white-space: nowrap;
}#compressTool .hero{ max-width: 1080px; margin: 0 auto; padding: 40px 24px 6px; text-align: center; }#compressTool .hero h1{ font-size: 30px; margin-bottom: 9px; }#compressTool .hero .sub{ color: var(--muted); margin-bottom: 26px; }#compressTool .dropzone{
  border: 2px dashed #b6c5ea; background: #f0f5ff; border-radius: 18px;
  padding: 24px 16px; cursor: pointer; transition: all .18s;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}#compressTool .dropzone{ padding: 46px 24px; }#compressTool .dropzone.dragover{ border-color: var(--accent); background: #e8efff; transform: scale(1.005); }#compressTool .dz-icon{ font-size: 32px; margin-bottom: 10px; }#compressTool .dz-main{ font-size: 15px; font-weight: 700; margin: 2px 0 4px; line-height: 1.6; }#compressTool .dz-actions{ display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin: 12px 0 0; }#compressTool .dz-actions .btn{ margin: 2px 0; }#compressTool .dz-hint{ color: var(--muted); font-size: 12px; margin-top: 8px; }#compressTool .dz-start{ display: flex; flex-direction: column; align-items: center; justify-content: center; width: 100%; }#compressTool .dz-selected{ width: 100%; }#compressTool .dz-sel-head{ display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }#compressTool .dz-sel-info{ font-size: 13px; font-weight: 700; color: var(--text); }#compressTool .dz-sel-grid{ display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 10px; max-height: 260px; overflow-y: auto; }#compressTool .dz-sel-thumb{ position: relative; aspect-ratio: 1 / 1; border-radius: 10px; overflow: hidden; background: #eef2f8; }#compressTool .dz-sel-thumb img{ position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }#compressTool .dz-sel-thumb .t-name{ position: absolute; left: 4px; right: 4px; top: 4px; font-size: 10px; color: #fff;
  background: rgba(15,20,40,.55); border-radius: 6px; padding: 2px 6px; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis; }#compressTool .dz-sel-thumb .t-dim{ position: absolute; left: 4px; bottom: 4px; font-size: 10px; color: #fff;
  background: rgba(15,20,40,.6); border-radius: 5px; padding: 1px 6px; pointer-events: none; }#compressTool .trust{ margin-top: 16px; font-size: 13px; color: var(--muted); }#compressTool .workbench{ display: flex; gap: 16px; align-items: stretch; text-align: left; }#compressTool .workbench .dropzone{ flex: 1 1 25%; max-width: 25%; }#compressTool .settings-panel{ flex: 3 1 75%; min-width: 0; display: flex; flex-direction: column; }#compressTool .workbench{ display: block; text-align: left; }#compressTool .workbench .dropzone{ max-width: none; width: 100%; margin: 0; }#compressTool .settings-panel{ margin-top: 18px; width: 100%; }#compressTool .settings-panel .settings{ max-width: none; margin: 0; flex: 1; align-content: flex-start; }#compressTool .settings{
  max-width: 1080px; margin: 26px auto 0; padding: 18px 24px;
  display: flex; flex-wrap: wrap; gap: 18px; align-items: flex-end;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
}#compressTool .setting{ flex: 1 1 200px; min-width: 175px; }#compressTool .setting label{
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 13px; font-weight: 600; margin-bottom: 8px;
}#compressTool .setting .val{ color: var(--accent); font-weight: 700; }#compressTool .setting .hint{ font-size: 12px; color: var(--muted); margin-top: 7px; line-height: 1.5; }#compressTool select, #compressTool input[type="number"]{ width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; font-size: 14px; color: var(--text); }#compressTool input[type="number"]{ height: 38px; }#compressTool input[type="range"]{ width: 100%; accent-color: var(--accent); }#compressTool .stats{
  max-width: 1080px; margin: 22px auto 0; padding: 0 24px;
  display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap;
}#compressTool .stats .txt{ font-size: 14px; }#compressTool .stats .actions{ display: flex; gap: 10px; }#compressTool .grid{
  max-width: 1080px; margin: 22px auto 48px; padding: 0 24px;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 18px;
}#compressTool .empty{ grid-column: 1 / -1; text-align: center; color: var(--muted); padding: 40px 0; font-size: 14px; }#compressTool .card{
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  overflow: hidden; box-shadow: 0 1px 2px rgba(16,24,40,.05); display: flex; flex-direction: column;
}#compressTool .thumb{
  position: relative; aspect-ratio: 4 / 3;
  background: repeating-conic-gradient(#f1f3f7 0 25%, #fff 0 50%) 0 0 / 14px 14px;
}#compressTool .thumb-img{ width: 100%; height: 100%; object-fit: contain; display: block; }#compressTool .thumb-compare{ position: absolute; inset: 0; cursor: ew-resize; touch-action: none; }#compressTool .thumb-compare img{
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: contain; pointer-events: none; -webkit-user-drag: none; user-select: none;
}#compressTool .thumb-orig-wrap{
  position: absolute; inset: 0; clip-path: inset(0 50% 0 0);
  background: repeating-conic-gradient(#f1f3f7 0 25%, #fff 0 50%) 0 0 / 14px 14px;
}#compressTool .thumb-handle{
  position: absolute; top: 0; bottom: 0; left: 50%; width: 2px;
  background: var(--accent); transform: translateX(-1px); z-index: 2; pointer-events: none;
}#compressTool .thumb-handle::after{
  content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 24px; height: 24px; border-radius: 50%; background: var(--accent);
  border: 3px solid #fff; box-shadow: 0 1px 4px rgba(0,0,0,.25);
}#compressTool .cmp-label{
  position: absolute; bottom: 8px; pointer-events: none;
  font-size: 11px; font-weight: 700; color: #fff;
  background: rgba(15,20,40,.62); border-radius: 6px; padding: 2px 8px;
}#compressTool .cmp-label.lbl-before{ left: 8px; }#compressTool .cmp-label.lbl-after{ right: 8px; }#compressTool .thumb-diff{
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: contain; z-index: 3; pointer-events: none;
}#compressTool .thumb-overlay{
  position: absolute; inset: 0; background: rgba(255,255,255,.8);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; color: var(--muted); font-size: 13px;
  z-index: 5;
}#compressTool .spinner{
  width: 26px; height: 26px; border-radius: 50%;
  border: 3px solid #dbe4f5; border-top-color: var(--accent); animation: spin .8s linear infinite;
}#compressTool @keyframes spin{ to { transform: rotate(360deg); } }#compressTool .save-badge{
  position: absolute; top: 10px; right: 10px; background: var(--green); color: #fff;
  font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px;
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
  z-index: 4;
}#compressTool .save-badge.badge-warn{ background: #f59e0b; }#compressTool .card-err{
  position: absolute; left: 10px; right: 10px; bottom: 10px;
  background: #fef2f2; color: var(--red); border: 1px solid #fecaca;
  border-radius: 8px; padding: 8px 10px; font-size: 12px; line-height: 1.5;
}#compressTool .card .diff-btn{ display: none !important; }#compressTool .meta{ padding: 12px 14px 4px; }#compressTool .act-gate{
  position: absolute; inset: 0; z-index: 200;
  background: #f6f8fb; display: flex; align-items: center; justify-content: center; padding: 20px;
}#compressTool .act-card{
  width: min(92vw, 420px); background: #fff; border: 1px solid var(--line);
  border-radius: 18px; padding: 28px 22px; text-align: center;
  box-shadow: 0 20px 60px rgba(15,20,40,.12);
}#compressTool .act-logo{
  width: 44px; height: 44px; margin: 0 auto 14px; border-radius: 13px;
  background: linear-gradient(135deg, #4f6ef7, #a855f7); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 20px;
}#compressTool .act-title{ margin: 0 0 8px; font-size: 17px; font-weight: 800; }#compressTool .act-sub{ margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }#compressTool .name{ font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 5px; }#compressTool .sizes{ font-size: 12px; color: var(--muted); display: flex; gap: 6px; align-items: center; }#compressTool .sizes .new{ color: var(--green); font-weight: 700; }#compressTool .resize-tag{ font-size: 11px; color: #7c3aed; margin-top: 5px; }#compressTool .thumb-audio{
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #eef2ff, #f5f3ff);
}#compressTool .music-icon{ font-size: 58px; opacity: .85; }#compressTool .audio-player{ width: calc(100% - 28px); margin: 6px 14px 0; height: 40px; }#compressTool .settings-head{ flex-basis: 100%; font-size: 13px; font-weight: 700; color: var(--muted); letter-spacing: 1px; }#compressTool .tabs{ max-width: 1080px; margin: 26px auto 0; padding: 0 24px; display: flex; gap: 8px; }#compressTool .tab{
  padding: 9px 22px; border: 1px solid var(--line); background: #fff; color: var(--muted);
  border-radius: 999px; font-size: 14px; font-weight: 600; cursor: pointer; transition: all .15s;
}#compressTool .tab.active{ background: var(--accent); border-color: var(--accent); color: #fff; }#compressTool .tab:hover:not(.active){ border-color: var(--accent); color: var(--accent); }#compressTool .toast{
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(10px);
  background: #1f2937; color: #fff; padding: 10px 18px; border-radius: 10px; font-size: 13px;
  box-shadow: 0 4px 14px rgba(0,0,0,.25); opacity: 0; pointer-events: none; transition: all .25s;
  z-index: 100; max-width: 80vw;
}#compressTool .toast.show{ opacity: 1; transform: translateX(-50%) translateY(0); }#compressTool .card-actions{ display: flex; gap: 8px; padding: 10px 14px 14px; margin-top: auto; }#compressTool .btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: none; border-radius: 9px; cursor: pointer; font-size: 14px; transition: background .15s;
}#compressTool .btn.primary{ background: var(--accent); color: #fff; padding: 11px 22px; font-weight: 600; }#compressTool .btn.primary:hover{ background: var(--accent-dark); }#compressTool .btn.secondary{ background: #fff; color: var(--accent); border: 1px solid #b6c5ea; padding: 11px 18px; font-weight: 600; }#compressTool .btn.secondary:hover{ background: #f0f5ff; }#compressTool .btn.small{ padding: 7px 12px; font-size: 12px; background: #eef2f8; color: #334155; }#compressTool .btn.small:hover{ background: #e2e8f0; }#compressTool .btn.small:disabled{ opacity: .45; cursor: not-allowed; }#compressTool .btn.small.active{ background: var(--accent); color: #fff; }#compressTool .btn.icon{ padding: 7px 9px; }#compressTool .btn.danger{ background: #fef2f2; color: var(--red); }#compressTool .btn.danger:hover{ background: #fee2e2; }#compressTool .btn.green{ background: var(--green); color: #fff; }#compressTool .btn.green:hover{ background: #15803d; }#compressTool .cmp{ border-top: 1px solid var(--line); padding: 12px 14px; display: flex; flex-direction: column; gap: 10px; }#compressTool .cmp-stage{
  position: relative; height: 230px; border-radius: 10px; overflow: hidden;
  border: 1px solid var(--line);
  background: repeating-conic-gradient(#f1f3f7 0 25%, #fff 0 50%) 0 0 / 14px 14px;
  touch-action: none; cursor: ew-resize;
}#compressTool .cmp-stage img{ position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; -webkit-user-drag: none; user-select: none; }#compressTool .cmp-orig-wrap{
  position: absolute; inset: 0;
  clip-path: inset(0 50% 0 0);
  /* 不透明棋盘格背景：遮挡下层压缩图，原图侧只显示原图 */
  background: repeating-conic-gradient(#f1f3f7 0 25%, #fff 0 50%) 0 0 / 14px 14px;
}#compressTool .cmp-handle{
  position: absolute; top: 0; bottom: 0; left: 50%; width: 2px;
  background: var(--accent); transform: translateX(-1px); pointer-events: none; z-index: 2;
}#compressTool .cmp-handle::after{
  content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 26px; height: 26px; border-radius: 50%; background: var(--accent);
  border: 3px solid #fff; box-shadow: 0 1px 4px rgba(0,0,0,.25);
}#compressTool .cmp-diff-img{
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: contain; pointer-events: none; z-index: 3;
}#compressTool .cmp-diff{
  display: flex; align-items: center; gap: 6px; font-size: 12px;
  color: var(--muted); cursor: pointer; user-select: none;
}#compressTool .cmp-diff input{ accent-color: var(--accent); }#compressTool .cmp-labels{ display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); }#compressTool .footer{ max-width: 1080px; margin: 0 auto 50px; padding: 0 24px; color: var(--muted); font-size: 12px; line-height: 1.9; }@media (max-width: 640px){#compressTool .hero h1{ font-size: 24px; }#compressTool .dropzone{ padding: 36px 18px; }#compressTool .workbench{ flex-direction: column; }#compressTool .workbench .dropzone{ max-width: none; }#compressTool .grid{ grid-template-columns: 1fr; }#compressTool .topbar{ padding: 12px 16px; }
}